Additions cost more per square foot than most people expect because they include foundations, structure, tie-ins to the existing house and systems upgrades. This tool keeps site work and fees visible instead of hiding them in one number.
Your result appears here after you press Calculate.
Results are planning estimates, not quotes or bids. Actual prices depend on location, labor, materials, site conditions and project scope. Get written estimates from licensed local contractors.
Organize property tax bills, receipts, assessment notices and escrow records with 10 practical home filing ideas, digital folders and a simple tracker.
November 2026, 8 min read
When you start searching for your first home, it is easy to focus on the listing price, the number of bedrooms, the kitchen, and the neighborhood. But...
November 2026, 9 min read
Compare affordable U.S. states with low property taxes, approximate home prices, annual tax examples, insurance considerations, and tips for choosing where to buy.
November 2026, 9 min read
Turn a per-square-foot price range into a total budget with fees and a contingency.
Build a bathroom budget from fixtures, tile, vanity and labor allowances.
Add up cabinets, counters, appliances and flooring into one kitchen budget.
